115.75.75.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
115.75.75.0
Broadcast Address
115.75.75.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
115.75.75.1
Last Usable IP
115.75.75.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (115.75.75.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 115.75.75.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 115.75.75.0/27
Network Address 115.75.75.0
Broadcast Address 115.75.75.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 115.75.75.1
Last Usable IP 115.75.75.30
Network (Hex) 0x734B4B00
Broadcast (Hex) 0x734B4B1F
Address Type Public / Globally Routable

Binary Representation

Network Address
01110011.01001011.01001011 01110011.01001011.01001011.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 115.75.75.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 115.75.75.0/28 115.75.75.0 115.75.75.1 115.75.75.14 115.75.75.15 14
2 115.75.75.16/28 115.75.75.16 115.75.75.17 115.75.75.30 115.75.75.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

115.75.75.0 net
115.75.75.1
115.75.75.2
115.75.75.3
115.75.75.4
115.75.75.5
115.75.75.6
115.75.75.7
115.75.75.8
115.75.75.9
115.75.75.10
115.75.75.11
115.75.75.12
115.75.75.13
115.75.75.14
115.75.75.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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